The training manual was compiled in accordance with the GEF VO in the areas of training "Agrochemistry and agro-soil science" , "Agronomy" , "Veterinary Medicine" , "VSE" and is intended for students of the 1st and 2nd courses of the Faculty of Veterinary Medicine and Biotechnology in Livestock and the Faculty of Agricultural Technologies and Agribusiness of All Forms of Training , Courses in Inorganic and Analytical Chemistry , "Analytical Chemistry" , "Methods of Quantitative Analysis" . The manual serves as a source of information containing brief and at the same time detailed information on the topics considered in the lecture course. Being in the same manual of theoretical material, laboratory work and tasks for independent work allows you to quickly and easily master the training material for the disciplines studied . Printed by the decision of the methodological commission of the Faculty of Engineering (Minutes No. 8 of 24. 06. 2021 g. ).